Only compatible with Milwaukee 9GA Galvanized Staples (MPU112-960, MPU134-960, MPU2-960) No Gas Cartridge Required - Completely Battery Operated Fires 2 Staples Per Second Tool Free Depth Adjustment Tool Free Jam Clearing Latch Integrated lanyard loop ensures easy transfer and storage Enlarged touchpoints designed specifically for use with insulated & leather gloves Reversible Belt Hook LED Work Light Dry Fire Lockout Part of the M18 system, featuring over 200+ solutions Brushless Motor delivers longer life and higher performance battery technology: superior pack construction, electronics and performance deliver more work per charge and more work over pack life than any battery on the market